I need a free C# compiler and a CSS editor

Answer 1

You can use replit for both.
https://replit.com
It is really useful (and free)
Other compilers are apps or other online compilers. For C#, sololearn is not a bad compiler. For css, I recommend (in mobile) Code Studio.

Answer 2

Your welcome ;)

Answer 3

For php, you can also use replit… I recommend also VSC (VSC is recommended for any language)

Answer 4

Thank You brother.

Answer 5

Thank You brother

Answer 6

Bro recommend something free for php
Someone suggested me php storm but it is paid.